Hypotheses Testing and Confidence Intervals MCQ Test 5

1. What is the purpose of the null hypothesis in A/B testing?

2. What is the purpose of a confidence interval?

3. What is the role of the alternative hypothesis in hypothesis testing?

4. What role does the control group play in experimental design and hypothesis testing?

5. In statistical terms, what does 'p-value' represent?

6. How does the assumption of linearity impact the validity of regression analysis?

7. What is the purpose of the control variable in experimental design?

8. What does the term 'degrees of freedom' refer to in t-tests and ANOVA?

9. What is the purpose of a power analysis in experimental design?

10. In hypothesis testing, what does the term 'beta' (β) represent?